Replacing the innertext of an Xml node/element
Using XmlDocument and XPath you can do this
XmlDocument doc = new XmlDocument();doc.Load(reader); //Assuming reader is your XmlReaderdoc.SelectSingleNode("buttons/workshop1").InnerText = "new text";You can use doc.Save to save the file also.
Read more about XmlDocument on MSDN.
EDIT
To save the document do this
doc.Save(@"C:\myXmFile.xml"); //This will save the changes to the file.Hope this helps you.